High
CVSS 7.5 IDOR Responsible Disclosure
Disclosure
Unauthenticated API Endpoints Expose Business Data (HIGH)
Finding 4: Unauthenticated API Endpoints Expose Business Data (HIGH) Severity: High (CVSS 7.5 - AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) Summary: Multiple API v2 endpoints on both hiftigh.[redacted].com and [target] return business-critical data without any authentication,
- Target
- MENA Fintech
- Category
- IDOR
- Channel
- Responsible Disclosure
- Disclosed
- 2026-04
Redaction note
Vendor identity withheld.
This finding is documented here as part of MemCyber’s public disclosure record. The vendor has been anonymized to a sector and region descriptor. Full technical detail — including root cause, reproducible proof-of-concept, remediation guidance, and vendor attribution where granted — is available to qualified prospects under NDA.
Coordinated disclosure
How we handled it.
- Reported to the vendor via Responsible Disclosure with a reproducible proof-of-concept.
- Triage + remediation window coordinated with the vendor security team.
- Fix verified before any public reference.
- This record published only after the embargo period closed.